Agricultural Science Digest

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Effect of organic and inorganic sources of nutrients on yield and economics of blackgram (Vigna mungo L.) grown during kharif

Digambar Prasad Jha, S. K. Sharma, T. Amarawat
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1Rajasthan College of Agriculture, Maharana Pratap University of Agriculture & Technology, Udaipur 313 001, India.
Cite article:- Jha Prasad Digambar, Sharma K. S., Amarawat T. (2023). Effect of organic and inorganic sources of nutrients on yield and economics of blackgram (Vigna mungo L.) grown during kharif. Agricultural Science Digest. 35(3): 224-228. doi: 10.5958/0976-0547.2015.00052.X.
A field experiment was conducted at the instructional farm of Rajasthan College of Agriculture, Udaipur, Rajasthan during kharif season of 2013 to study the effect of organic and inorganic sources of nutrients on yield and economics of blackgram. The result indicated that application of 100 % RDF+Zn+Fe (N:P:K- 20:30:15 kg ha-1 + ZnSO4 5 kg ha-1 + FeSO4 5 kg ha-1) recorded significantly highest plant height (34.18 cm), dry matter (10.31 g plant-1), leaf area index (2.216), number of pods (32.38 plant-1), number of seeds (6.88 pod-1), seed yield (870 kg ha-1), straw yield (1843 kg ha-1), biological yield (2713 kg ha-1), harvest index (32.10%), gross return (50975), net return (34930 ha-1) and B-C ratio (3.18), respectively over rest of the treatments but it was at par with 100% RDF, 50% RDF+50% RDN through FYM and FYM 4 t ha-1. The seed yield and net return of blackgram significantly increased by 8.75 and 11.22 per cent, respectively over 100% RDF. Split dose of vermicompost indicate that split application of vermicompost 1 t ha-1 at 30 DAS along with FYM 2 t ha-1 (Basal) recorded a significant increase yield and net returns of blackgram over vermicompost 1 t ha-1 (Basal)+vermicompost 1 t ha-1 at 30 DAS and control, respectively.
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